3mL Cartridge w/500mg Amberlite XAD-7, 50/pk Back Catalog number: 2193 Availability: In the manufacturer's stock Price on request - + Recommended 12102099 Bond Elut C18, 100mg 3ml, 50/pk 3 724,51 Kč 4827 12mL Cartridge w/1g SPE Amide-2, 20/pk Price on request 730010 Chromab. columns C18 ec f, 6mL, 1000mg 3 198,00 Kč